/* ============================================================
   VIP RIDE 尊程 — theme + layout
   Overrides the scrollcraft tokens and adds the site chrome.
   ============================================================ */

:root {
  --sc-canvas:     #0a0a0c;
  --sc-surface:    #14110d;
  --sc-ink:        #f5efe4;
  --sc-ink-soft:   #a89a86;
  --sc-accent:     #c9a24b;
  --sc-accent-ink: #17120a;

  --sc-font-display: "Cormorant Garamond", "Playfair Display", Georgia, "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  --sc-font-text:    "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", system-ui, -apple-system, sans-serif;
  --sc-font-mono:    ui-monospace, "Cascadia Mono", "SF Mono", monospace;

  --sc-section: clamp(4rem, 8vw, 9rem);
}

/* ---------- bilingual toggle ---------- */
html[lang="zh"] .en { display: none !important; }
html[lang="en"] .zh { display: none !important; }

/* ---------- scroll progress ---------- */
[data-sc-progress] {
  position: fixed; top: 0; left: 0; width: 100%; height: 2px;
  background: var(--sc-accent); transform-origin: 0 50%;
  z-index: 80; pointer-events: none;
}

/* ---------- fixed-header anchor offset ---------- */
html { scroll-padding-top: 78px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.5rem; border-radius: var(--sc-r-pill);
  font-family: var(--sc-font-text); font-weight: 600; font-size: var(--sc-t-sm);
  letter-spacing: .02em; text-decoration: none; line-height: 1;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform var(--sc-d-fast) var(--sc-ease-out),
              background var(--sc-d-base) var(--sc-ease-out),
              border-color var(--sc-d-base) var(--sc-ease-out),
              color var(--sc-d-base) var(--sc-ease-out);
}
.btn--accent { background: var(--sc-accent); color: var(--sc-accent-ink); }
.btn--accent:hover { background: color-mix(in oklab, var(--sc-accent) 86%, white); }
.btn--ghost { border-color: var(--sc-hairline-strong); color: var(--sc-ink); background: color-mix(in oklab, var(--sc-surface) 40%, transparent); }
.btn--ghost:hover { border-color: var(--sc-accent); color: var(--sc-accent); }
.btn--nav { padding: .55rem 1.15rem; font-size: var(--sc-t-xs); }
.btn--copy { padding: .45rem 1rem; font-size: var(--sc-t-xs); }

/* ---------- header ---------- */
.site-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem var(--sc-gutter);
  background: color-mix(in oklab, var(--sc-canvas) 82%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--sc-hairline);
}
.brand { display: flex; align-items: baseline; gap: .55rem; text-decoration: none; }
.brand__mark {
  font-family: var(--sc-font-display); font-weight: 600;
  letter-spacing: .22em; font-size: 1.02rem; color: var(--sc-ink);
}
.brand__zh { font-family: var(--sc-font-display); font-size: .95rem; color: var(--sc-accent); letter-spacing: .12em; }
.nav { display: none; gap: 1.75rem; }
.nav a { text-decoration: none; font-size: var(--sc-t-sm); color: var(--sc-ink-soft); letter-spacing: .02em; transition: color var(--sc-d-fast); }
.nav a:hover { color: var(--sc-ink); }
.site-bar__right { display: flex; align-items: center; gap: .7rem; }

.lang-toggle {
  background: none; border: 1px solid var(--sc-hairline-strong); color: var(--sc-ink-soft);
  border-radius: var(--sc-r-pill); padding: .42rem .8rem; font-size: var(--sc-t-xs);
  letter-spacing: .08em; cursor: pointer; line-height: 1;
  transition: color var(--sc-d-fast), border-color var(--sc-d-fast);
}
.lang-toggle:hover { color: var(--sc-accent); border-color: var(--sc-accent); }

.hamburger { display: inline-flex; flex-direction: column; gap: 5px; background: none; border: 0; padding: .4rem; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--sc-ink); transition: transform var(--sc-d-base) var(--sc-ease-out), opacity var(--sc-d-base); }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- mobile menu ---------- */
.mobile-menu {
  position: fixed; inset: 0; z-index: 55;
  background: color-mix(in oklab, var(--sc-canvas) 96%, transparent);
  -webkit-backdrop-filter: blur(22px); backdrop-filter: blur(22px);
  display: flex; flex-direction: column; justify-content: center; gap: 2.5rem;
  padding: 5rem var(--sc-gutter) 3rem;
  opacity: 0; visibility: hidden; transform: translateY(-10px);
  transition: opacity var(--sc-d-base) var(--sc-ease-out), transform var(--sc-d-base) var(--sc-ease-out), visibility var(--sc-d-base);
}
.mobile-menu.open { opacity: 1; visibility: visible; transform: none; }
.mobile-menu__nav { display: flex; flex-direction: column; }
.mobile-menu__nav a {
  font-family: var(--sc-font-display); font-size: var(--sc-t-xl); color: var(--sc-ink);
  text-decoration: none; padding: .85rem 0; border-bottom: 1px solid var(--sc-hairline);
  transition: color var(--sc-d-fast);
}
.mobile-menu__nav a:hover { color: var(--sc-accent); }
.mobile-menu__cta { display: flex; flex-direction: column; gap: .75rem; }

/* ---------- hero ---------- */
.hero .sc-stage { background: var(--sc-canvas); }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero__copy { max-width: min(40rem, 86vw); }
.hero__kicker { font-size: var(--sc-t-xs); letter-spacing: .3em; text-transform: uppercase; color: var(--sc-accent); margin: 0 0 1rem; }
.hero__copy .sc-display--xl { margin: 0 0 .6rem; }
.hero__sub { margin: 0 0 1.75rem; color: color-mix(in oklab, var(--sc-ink) 80%, transparent); max-width: 36ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- shared section bits ---------- */
.kicker { font-family: var(--sc-font-mono); font-size: var(--sc-t-xs); letter-spacing: .28em; text-transform: uppercase; color: var(--sc-accent); margin: 0; }
.fleet__head, .services__head, .why__head { max-width: 62ch; margin-bottom: var(--sc-7); }

/* ---------- fleet ---------- */
.fleet__grid { display: grid; grid-template-columns: 1fr; gap: var(--sc-5); }
.card { margin: 0; }
.card__img { border-radius: var(--sc-r-md); overflow: hidden; aspect-ratio: 16/10; background: var(--sc-surface); box-shadow: var(--sc-e1); }
.card__img img { width: 100%; height: 100%; object-fit: cover; }
.card__cap { padding: 1rem .25rem 0; }
.card__cap h3 { margin: 0 0 .35rem; font-size: var(--sc-t-lg); }
.card__cap p { margin: 0; font-size: var(--sc-t-sm); }

/* ---------- services ---------- */
.services__grid { display: grid; grid-template-columns: 1fr; gap: var(--sc-4); }
.rate {
  padding: 1.5rem; border: 1px solid var(--sc-hairline); border-radius: var(--sc-r-md);
  background: var(--sc-surface); box-shadow: var(--sc-e1);
}
.rate--featured { border-color: var(--sc-accent); background: color-mix(in oklab, var(--sc-accent) 7%, var(--sc-surface)); }
.rate__label { font-size: var(--sc-t-sm); color: var(--sc-ink-soft); margin: 0 0 .4rem; }
.rate__price { font-family: var(--sc-font-display); font-size: var(--sc-t-2xl); color: var(--sc-ink); margin: 0; line-height: 1.05; }
.rate--featured .rate__price { color: var(--sc-accent); }
.rate__unit { font-size: var(--sc-t-xs); color: var(--sc-ink-soft); margin: .45rem 0 0; }
.services__note { margin-top: var(--sc-5); font-size: var(--sc-t-sm); }

/* ---------- destinations ---------- */
.destinations .sc-stage { display: flex; align-items: center; }
.rail { display: flex; align-items: center; gap: var(--sc-5); padding-inline: var(--sc-gutter); height: 100%; }
.rail__lead { flex: 0 0 min(26rem, 80vw); padding-right: var(--sc-5); }
.dest { flex: 0 0 auto; width: min(72vw, 30rem); }
.dest__img { border-radius: var(--sc-r-md); overflow: hidden; aspect-ratio: 16/10; background: var(--sc-surface); box-shadow: var(--sc-e2); }
.dest__img img { width: 100%; height: 100%; object-fit: cover; }
.dest h3 { margin: .9rem 0 0; font-size: var(--sc-t-lg); }

/* ---------- why ---------- */
.why__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: var(--sc-5); }
.why__item { display: flex; gap: 1.1rem; align-items: flex-start; }
.why__icon {
  flex: 0 0 auto; width: 2.75rem; height: 2.75rem; border-radius: 50%;
  display: grid; place-items: center;
  background: color-mix(in oklab, var(--sc-accent) 14%, transparent);
  color: var(--sc-accent); border: 1px solid color-mix(in oklab, var(--sc-accent) 38%, transparent);
  font-family: var(--sc-font-display); font-size: var(--sc-t-lg); line-height: 1;
}
.why__item h3 { margin: 0 0 .35rem; font-size: var(--sc-t-lg); }
.why__item p { margin: 0; font-size: var(--sc-t-sm); }

/* ---------- book ---------- */
.book__stage { display: flex; flex-direction: column; }
.book__inner {
  flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 5rem var(--sc-gutter) 2rem; max-width: 52rem; margin: 0 auto; width: 100%; text-align: center;
}
.book__contacts { display: grid; grid-template-columns: 1fr; gap: var(--sc-4); margin: var(--sc-6) 0 var(--sc-5); width: 100%; text-align: left; }
.contact {
  display: flex; flex-direction: column; gap: .35rem; align-items: flex-start;
  padding: 1.5rem; border-radius: var(--sc-r-md); border: 1px solid var(--sc-hairline);
  background: var(--sc-surface); text-decoration: none;
  transition: border-color var(--sc-d-base) var(--sc-ease-out);
}
.contact:hover { border-color: var(--sc-accent); }
.contact__label { font-family: var(--sc-font-mono); font-size: var(--sc-t-xs); letter-spacing: .2em; text-transform: uppercase; color: var(--sc-accent); }
.contact__value { font-family: var(--sc-font-display); font-size: var(--sc-t-lg); color: var(--sc-ink); }
.contact--wechat { flex-direction: column; align-items: stretch; gap: .9rem; }
.contact__meta { display: flex; flex-direction: column; gap: .35rem; align-items: flex-start; }
.contact__qr { width: 7rem; height: 7rem; border-radius: var(--sc-r-sm); background: #fff; padding: .3rem; object-fit: contain; align-self: center; }
.book__note { margin: 0 auto; font-size: var(--sc-t-sm); }

/* ---------- footer ---------- */
.foot {
  padding: 1.25rem var(--sc-gutter);
  display: flex; flex-direction: column; gap: .35rem; align-items: center; text-align: center;
  border-top: 1px solid var(--sc-hairline);
  font-size: var(--sc-t-xs); color: var(--sc-ink-soft);
}
.foot__brand { display: flex; align-items: baseline; gap: .5rem; color: var(--sc-ink); }
.foot__sep { color: var(--sc-accent); }
.foot__legal { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; }

/* ---------- floating WhatsApp ---------- */
.fab {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 50;
  width: 3.5rem; height: 3.5rem; border-radius: 50%;
  display: grid; place-items: center;
  background: #25D366; color: #fff;
  box-shadow: var(--sc-e3);
  transition: transform var(--sc-d-fast) var(--sc-ease-out);
}
.fab:hover { transform: translateY(-2px) scale(1.04); }

/* ---------- responsive ---------- */
@media (max-width: 480px) {
  .btn--nav { display: none; }
}
@media (min-width: 640px) {
  .fleet__grid { grid-template-columns: repeat(2, 1fr); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .why__list { grid-template-columns: repeat(2, 1fr); }
  .book__contacts { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .nav { display: flex; }
  .hamburger { display: none; }
  .mobile-menu { display: none; }
  .services__grid { grid-template-columns: repeat(4, 1fr); }
}